Related how?
Biota
(Life)
Prokaryotes
(Prokaryota)
Archaea
(Archaebacteria)
Euryarchaeota
Methanococci
Methanococcales
Methanococcaceae (
4044106
)
Children (2 direct children, 18 direct and indirect children):
Methanococcus
(tree size 14)
Methanothermococcus
(tree size 2)